drm_hwcomposer: Fix fence leak

Hwcomposer is responsible for closing the acquire fences passed
in during hwc_set.  Make sure that it does so, even if there is
an error condition.

Change-Id: I5c9096804c2613ec317c306dd361cb5f1a2ba5b2
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: https://chrome-internal-review.googlesource.com/198356
Tested-by: Stéphane Marchesin <marcheu@google.com>
Commit-Queue: Stéphane Marchesin <marcheu@google.com>
Reviewed-by: Stéphane Marchesin <marcheu@google.com>
1 file changed